Results 31 to 40 of about 1,336 (204)

The Complete Mitogenome of Amazonian Hyphessobrycon heterorhabdus (Characiformes: Characidae) as a Valuable Resource for Phylogenetic Analyses of Characidae

Fishes, 2023
Hyphessobrycon heterorhabdus (Ulrey, 1894), popularly known as ‘Flag Tetra’ in English speaking countries, belongs to the genus Hyphessobrycon of the family Characidae, and is widely present in the eastern Amazon basin.
Luciano Fogaça de Assis Montag, Ricardo Koroiva, Ândrea Ribeiro-dos-Santos, Leandro Magalhães, Giovanna C. Cavalcante, Caio S. Silva, Sávio Guerreiro, Daniel H. F. Gomes, Jorge E. S. de Souza, Sandro J. de Souza, Lidia Brasil Seabra, Maria Dayanne Lima de Lucena, Erival Gonçalves Prata, Izabella Cristina da Silva Penha, Thaisa Sala Michelan, Raphael Ligeiro, Leandro Juen   +16 more
doaj   +1 more source

Hyphessobrycon nicolasi (Teleostei: Characidae) a new species from the Uruguay River basin in the Mesopotamian Region, Argentina [PDF]

, 2010
Hyphessobrycon nicolasi is described from the Uruguay River basin in the Mesopotamian Region, Entre Ríos, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe ...
Lopez, Hugo Luis, Miquelarena, Amalia Maria   +1 more
core   +3 more sources

Ichthyofauna of the Gurgueia River, Parnaíba River basin, northeastern Brazil [PDF]

Check List, 2015
The Gurgueia River in southern Piauí state, Brazil, is the largest affluent on the right margin of the Parnaíba River basin. This study aimed to inventory the Gurgueia River ichthyofauna, and contribute to the knowledge of fish diversity in Northeastern ...
Márcio Silva, Brisa Costa, Telton Ramos, Paulo Auricchio, Sergio Lima   +4 more
doaj   +3 more sources

Food resource used by small-sized fish in macrophyte patches in ponds of the upper Paraná river floodplain - DOI: 10.4025/actascibiolsci.v31i2.3266

Acta Scientiarum: Biological Sciences, 2009
This study analyzed the diet of seven small-sized fish species (Characidae) and assessed their use of food resources. The species were collected in 2001 from nine ponds with aquatic macrophytes in the Paraná river floodplain, Brazil. Astyanax altiparanae,
Valdirene Esgarbosa Loureiro Crippa, Norma Segatti Hahn, Rosemara Fugi   +2 more
doaj   +1 more source

Fish, lower Ivinhema River basin streams, state of Mato Grosso do Sul, Brazil. [PDF]

, 2008
The Ivinhema River basin is one of the main tributaries of the western portion of Paraná River. However,few data are available on the fish communities of its streams.
Súarez, Y. R.
core   +1 more source

Description of a new species of Moenkhausia (Characiformes: Characidae) from the upper Paraguay basin, Central Brazil, with comments on its phylogenetic relationships

Neotropical Ichthyology, 2018
A new species of Moenkhausia is described from tributaries of the upper rio Sepotuba, Paraguay basin, Brazil. The new species is distinguished from its congeners by a combination of characters, including an inconspicuous oval-shaped vertically elongated ...
Ricardo Britzke, Waldo P. Troy, Claudio Oliveira, Ricardo C. Benine   +3 more
doaj   +1 more source

A latitudinal cline in the efficacy of endogenous signals: evidence derived from retinal cone contraction in fish. [PDF]

, 2011
Like many physiological systems synchronised to the light:dark cycle, retinomotor movements in 'lower' vertebrates are controlled by both the ambient illumination and input from endogenous circadian oscillators.
Allemand, Allemand, Arey, Besharse, Burnside, Burnside, Burnside, Cahill, Cahill, Costa, Dearry, Douglas, Douglas, Douglas, Douglas, Easter, Foster, Foster, Foster, Goldman, Green, Gwinner, Hastings, Hau, Iigo, Iuvone, John, John, John, John, Johnsen, Joshi, Joshi, Keny, Kirsch, Konings, Kullander, Kyriacou, Lamb, Lankinen, Lankinen, Levinson, Lofts, Lu, Lythgoe, Mayer, McCormack, McCormack, McCormack, McFarland, Menger, Michael, Olla, Perlman, Pflüger, Pittendirgh, Pittendrigh, Ribelayga, Satralkar, Satralkar, Sawyer, Shand, Simunovic, Tosini, Tosini, Wagner, Weeks, Weitzman, Welsh, Whitmore, Wigger, Yeates-Burghart   +71 more
core   +1 more source

Charax hemigrammus

, 2014
Charax hemigrammus (Eigenmann, 1912) Fig. 13 Asiphonichthys hemigrammus Eigenmann, 1912: 403 (original description, type locality: Guyana, Gluck Island). -Henn, 1928: 69 (listed in type catalog). Charax hemigrammus, Lucena, 1987: 39 (diagnosis, description; distribution). -Lucena, 1989: 104; in key to species).
Menezes, Naércio A., de Lucena, Carlos Alberto S.   +1 more
openaire   +1 more source

Hemigrammus ataktos: a new species from the rio Tocantins basin, central Brazil (Characiformes: Characidae)

Neotropical Ichthyology
A new species of Hemigrammus is described from the middle rio Tocantins basin, central Brazil. The new species can be distinguished from all congeners by having a black midlateral stripe on the body extending from the posterior margin of the eye to the ...
Manoela M. F. Marinho, Fernando C. P. Dagosta, José L. O. Birindelli   +2 more
doaj   +1 more source

The stream fish fauna from the rio Machado basin, Rondônia State, Brazil [PDF]

Check List, 2013
The rio Machado (also known as Ji-Paraná) is a tributary of the rio Madeira in the Amazon basin. Currently, the rio Madeira contains the greatest fish species richness of the world, with approximately 1,000 species.
Lilian Casatti, María Pérez-Mayorga, Fernando Carvalho, Gabriel Brejão, Igor da Costa   +4 more
doaj   +3 more sources